Stuff Dozens of Mighty Mongrel Mob Barbarian MC members descended on the South Island on Friday as part of a national gathering over the weekend. Dozens of Mighty Mongrel Mob Barbarian MC members descended on the South Island on Friday as part of a national gathering over the weekend. They arrived in Christchurch on Friday and are expected to ride to other parts of the South Island. Detective Senior Sergeant Craig Farrant earlier said police were aware of the gathering and had dedicated extra resources. Do you know more? Email sam.sherwood@stuff.co.nz “We will be interacting with them regularly,” he said.